Asked by Urgen please help
A class obtained the following scores on a test. Find the mean, the median, the mode, and the range for the class.
Test Score Frequency
90 2
80 2
70 12
60 4
50 3
40 2
(a) Find the mean =
I had the median, mode and the range correct except the Mean, please help.
Correct: Your answer is correct.
Test Score Frequency
90 2
80 2
70 12
60 4
50 3
40 2
(a) Find the mean =
I had the median, mode and the range correct except the Mean, please help.
Correct: Your answer is correct.
Answers
Answered by
Ms. Sue
Add all of the scores and divide by 25 to find the mean.
2(90) + 2(80) + 12(70), etc.
2(90) + 2(80) + 12(70), etc.
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